45 percent of the carbon stored on land is tied up in forests, and researchers now have a reliable inventory of those in America.
If fossil fuel infrastructure is not rapidly changed, the world will 'lose for ever' the chance to avoid dangerous climate change, a new study shows
Houston ranks 16th of 27 in greenest big cities in North America according to a new The Economist report sponsored by Siemens.
Seattle plans ahead to become a leader in environmental awareness
Peter Calthorpe has created seven principles for low-carbon urban design for China.
CNT now has a beta tool online, "Abogo," which maps transportation and carbon costs associated with each household location.
The plan, which could serve as a model for the rest of the nation, would require the world's eighth-largest economy to reduce its emissions 15% by 2020.
Commentary
David Crossley
Is the City of Houston shrinking?
Richard Florida
The limits of density
Kaid Benfield
New housing forecast mostly good for walkable communities
More Commentary